Learn C Online Blog

C Programming is considered as one of the best and easy to learn programming language. C programming was introduced many decades ago and still it is one of the most popular languages in the programming world. When I started with programming, I had a question in mind – How to learn programming? There were many programming languages available for me to start with, like C, C++, Java, C# and so on. To be frank, I had started with Java programming. Initial few says were awesome. Started with an introduction to Java, then started with java basics which included statements, loops,...

C programming is a language developed by AT & T’s Bell Laboratories of USA in 1972. C programming was designed and written by a man named Dennis Ritchie. C programming is reliable, simple and easy to use. C has survived for more than 3 decades. C programming language is a base to learn different programming language. If you want to learn C++ or JAVA, without the knowledge of C programming it becomes very difficult to learn these programming languages. Many major components of popular operating systems like Windows, UNIX, LINUX is still written in C. Nothing beats C programming in...

A constant, Variable or a keyword in C programming can be formed from any combination of Alphabets, Digits and Special Symbols. A constant in C programming is an entity whose value does not change throughout the program execution. A variable in C programming is an entity whose value keeps on changing throughout the program execution. However, it’s not a rule that the value of the variable will change. A variable value might remain same throughout the C program execution. However, the main difference between variable and constant is that we can’t change the value of constant in between the program,...

Let us learn the above program in detail. Line 1 thru 4: This is the comments in the program. It is called multiline comment. The text written within /*…*/ are ignored by the compiler. Line 5: This is another way to comment a text or statement. It is called single line comment. The entire line following the tag // is ignored by the compiler. Line 6 and 7: #include is known as pre- processor directives. It tell the compiler to include text from another file, stuffing it right into your source code. is a file name enclosed within angle...

We will write a program in C that will accept a string from the user and write the string in a file. In this program, we will use fopen function in order to open a file. We will also use fputs function which will write a string to a file. Below is the program:

Learn C Online is a free, C programming tutorial site which will help you learn C programming language online and provide you with the detailed knowledge about C concepts, data types, structures, arrays, pointers and many more...